Finding the Fourth Proportional to 404,076.96, 557,865.42 and 359,241.12

Step by Step Solution

1. Step 1: Write the proportion equation
   404,076.96 : 557,865.42 = 359,241.12 : x
2. Step 2: Convert to fraction form
   404,076.96/557,865.42 = 359,241.12/x
3. Step 3: Cross multiply
   404,076.96x = 557,865.42 × 359,241.12
4. Step 4: Simplify right side
   404,076.96x = 200,408,198,290.07
5. Step 5: Solve for x
   x = 200,408,198,290.07/404,076.96
6. Step 6: Final answer
   x = 495,965.42